// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence. // See the LICENCE file in the repository root for full licence text. using System; using Realms; namespace osu.Game.Database { /// <summary> /// Provides a method of working with unmanaged realm objects. /// Usually used for testing purposes where the instance is never required to be managed. /// </summary> /// <typeparam name="T">The underlying object type.</typeparam> public class RealmLiveUnmanaged<T> : Live<T> where T : RealmObjectBase, IHasGuidPrimaryKey { /// <summary> /// The original live data used to create this instance. /// </summary> public override T Value { get; } /// <summary> /// Construct a new instance of live realm data. /// </summary> /// <param name="data">The realm data.</param> public RealmLiveUnmanaged(T data) : base(data.ID) { if (data.IsManaged) throw new InvalidOperationException($"Cannot use {nameof(RealmLiveUnmanaged<T>)} with managed instances"); Value = data; } public override void PerformRead(Action<T> perform) => perform(Value); public override TReturn PerformRead<TReturn>(Func<T, TReturn> perform) => perform(Value); public override void PerformWrite(Action<T> perform) => throw new InvalidOperationException(@"Can't perform writes on a non-managed underlying value"); public override bool IsManaged => false; } }